Your baby's flinch when his sister screams feels alarming, and you want a clear answer about whether it harms him. A startled reaction is usually a normal reflex, not a sign of lasting damage, but ...

NASHVILLE, Tenn. (WSMV) - A three-week-old baby was kept outside in a car seat in the afternoon heat while the infant’s parents worked on a vehicle, according to the Metro Nashville Police Department.